body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, p, sub, form, input, button, textarea, th, td, tr {
    margin: 0;
    padding: 0;
    text-align: center;
    font-family: Arial;
}

h1, h2, h3, h4, h5, h6 {
    font-size: 100%;
    font-weight: normal;
}

ul, li {
    list-style: none;
}

img {
    display: block;
    border: 0;
}

a {
    text-decoration: none
}

/* clear float */
.clearfix {
    *zoom: 1;
}

.clearfix:before, .clearfix:after {
    display: table;
    content: "";
}

.clearfix:after {
    clear: both;
}

#img-switch {
    position: relative;
    margin: 0 auto;
    width: 475px;
    height: 475px;
}

.switch-focus li {
    display: none;
}

.switch-focus li.cur {
    display: block
}

.switch-focus li a {
    display: block;
}

.switch-list {
    position: absolute;
    bottom: 10px;
    left: 10px;
}

.switch-list .list-num {
    float: left;
    width: 20px;
    height: 20px;
    margin-right: 3px;
    background: #ffffff;
    color: #666;
    opacity: 0.5;
    filter: alpha(opacity = 50);
    line-height: 12px;
    font-size: 14px;
    font-weight: bold;
    text-align: center;
    line-height: 20px;
    cursor: pointer;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    border-radius: 4px;
}

.switch-list .list-num.active {
    background: #666;
    color: #ffffff
}

a.btn {
    position: absolute;
    z-index: 1000;
    top: 50%;
    cursor: pointer;
    text-decoration: none;
    background: #666;
    border: 3px solid #ffffff;
    margin-top: -20px;
    font-size:30px;
    line-height: 30px;
    font-weight: bold;
    text-align: center;
    color: #ffffff;
    padding:0 5px 4px;
    opacity: 0.5;
    filter: alpha(opacity=50);
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    border-radius: 10px;
}

a.btn-prev {
    left: 5px
}

a.btn-next {
    right: 5px
}